34 void fhci_start_sof_timer(struct fhci_hcd *fhci)  in fhci_start_sof_timer()  argument
36 	fhci_dbg(fhci, "-> %s\n", __func__);  in fhci_start_sof_timer()
39 	out_be16(&fhci->pram->frame_num, 0);  in fhci_start_sof_timer()
41 	out_be16(&fhci->regs->usb_ussft, 0);  in fhci_start_sof_timer()
42 	setbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);  in fhci_start_sof_timer()
44 	fhci_dbg(fhci, "<- %s\n", __func__);  in fhci_start_sof_timer()
47 void fhci_stop_sof_timer(struct fhci_hcd *fhci)  in fhci_stop_sof_timer()  argument
49 	fhci_dbg(fhci, "-> %s\n", __func__);  in fhci_stop_sof_timer()
51 	clrbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);  in fhci_stop_sof_timer()
52 	gtm_stop_timer16(fhci->timer);  in fhci_stop_sof_timer()
54 	fhci_dbg(fhci, "<- %s\n", __func__);  in fhci_stop_sof_timer()
59 	return be16_to_cpu(in_be16(&usb->fhci->regs->usb_ussft) / 12);  in fhci_get_sof_timer_count()
82 	struct fhci_hcd *fhci = usb->fhci;  in fhci_usb_enable_interrupt()  local
86 		enable_irq(fhci_to_hcd(fhci)->irq);  in fhci_usb_enable_interrupt()
89 		out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_enable_interrupt()
90 		out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);  in fhci_usb_enable_interrupt()
93 		enable_irq(fhci->timer->irq);  in fhci_usb_enable_interrupt()
95 		fhci_info(fhci, "unbalanced USB interrupts nesting\n");  in fhci_usb_enable_interrupt()
102 	struct fhci_hcd *fhci = usb->fhci;  in fhci_usb_disable_interrupt()  local
106 		disable_irq_nosync(fhci->timer->irq);  in fhci_usb_disable_interrupt()
109 		disable_irq_nosync(fhci_to_hcd(fhci)->irq);  in fhci_usb_disable_interrupt()
110 		out_be16(&usb->fhci->regs->usb_usbmr, 0);  in fhci_usb_disable_interrupt()
116 static u32 fhci_usb_enable(struct fhci_hcd *fhci)  in fhci_usb_enable()  argument
118 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_enable()
120 	out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_enable()
121 	out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);  in fhci_usb_enable()
122 	setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);  in fhci_usb_enable()
130 static u32 fhci_usb_disable(struct fhci_hcd *fhci)  in fhci_usb_disable()  argument
132 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_disable()
135 	fhci_port_disable(fhci);  in fhci_usb_disable()
140 		fhci_device_disconnected_interrupt(fhci);  in fhci_usb_disable()
142 	clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);  in fhci_usb_disable()
148 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci)  in fhci_ioports_check_bus_state()  argument
153 	if (!gpiod_get_value(fhci->gpiods[GPIO_USBOE]))  in fhci_ioports_check_bus_state()
157 	if (gpiod_get_value(fhci->gpiods[GPIO_USBRP]))  in fhci_ioports_check_bus_state()
161 	if (gpiod_get_value(fhci->gpiods[GPIO_USBRN]))  in fhci_ioports_check_bus_state()
167 static void fhci_mem_free(struct fhci_hcd *fhci)  in fhci_mem_free()  argument
174 	list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) {  in fhci_mem_free()
179 	list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) {  in fhci_mem_free()
184 	kfree(fhci->vroot_hub);  in fhci_mem_free()
185 	fhci->vroot_hub = NULL;  in fhci_mem_free()
187 	kfree(fhci->hc_list);  in fhci_mem_free()
188 	fhci->hc_list = NULL;  in fhci_mem_free()
191 static int fhci_mem_init(struct fhci_hcd *fhci)  in fhci_mem_init()  argument
195 	fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL);  in fhci_mem_init()
196 	if (!fhci->hc_list)  in fhci_mem_init()
199 	INIT_LIST_HEAD(&fhci->hc_list->ctrl_list);  in fhci_mem_init()
200 	INIT_LIST_HEAD(&fhci->hc_list->bulk_list);  in fhci_mem_init()
201 	INIT_LIST_HEAD(&fhci->hc_list->iso_list);  in fhci_mem_init()
202 	INIT_LIST_HEAD(&fhci->hc_list->intr_list);  in fhci_mem_init()
203 	INIT_LIST_HEAD(&fhci->hc_list->done_list);  in fhci_mem_init()
205 	fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL);  in fhci_mem_init()
206 	if (!fhci->vroot_hub)  in fhci_mem_init()
209 	INIT_LIST_HEAD(&fhci->empty_eds);  in fhci_mem_init()
210 	INIT_LIST_HEAD(&fhci->empty_tds);  in fhci_mem_init()
213 	fhci_tasklet.data = (unsigned long)fhci;  in fhci_mem_init()
214 	fhci->process_done_task = &fhci_tasklet;  in fhci_mem_init()
222 		fhci_recycle_empty_td(fhci, td);  in fhci_mem_init()
230 		fhci_recycle_empty_ed(fhci, ed);  in fhci_mem_init()
233 	fhci->active_urbs = 0;  in fhci_mem_init()
236 	fhci_mem_free(fhci);  in fhci_mem_init()
244 	struct fhci_hcd *fhci;  in fhci_usb_free()  local
247 		fhci = usb->fhci;  in fhci_usb_free()
248 		fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);  in fhci_usb_free()
256 static int fhci_usb_init(struct fhci_hcd *fhci)  in fhci_usb_init()  argument
258 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_init()
260 	memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE);  in fhci_usb_init()
275 	out_be16(&fhci->pram->frame_num, 0);  in fhci_usb_init()
278 	out_be32(&fhci->pram->rx_state, 0);  in fhci_usb_init()
286 	out_8(&usb->fhci->regs->usb_usmod, USB_MODE_HOST | USB_MODE_EN);  in fhci_usb_init()
289 	out_be16(&usb->fhci->regs->usb_usbmr, 0);  in fhci_usb_init()
292 	out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_init()
303 static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci)  in fhci_create_lld()  argument
312 	usb->fhci = fhci;  in fhci_create_lld()
313 	usb->hc_list = fhci->hc_list;  in fhci_create_lld()
314 	usb->vroot_hub = fhci->vroot_hub;  in fhci_create_lld()
324 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_start()  local
326 	ret = fhci_mem_init(fhci);  in fhci_start()
328 		fhci_err(fhci, "failed to allocate memory\n");  in fhci_start()
332 	fhci->usb_lld = fhci_create_lld(fhci);  in fhci_start()
333 	if (!fhci->usb_lld) {  in fhci_start()
334 		fhci_err(fhci, "low level driver config failed\n");  in fhci_start()
339 	ret = fhci_usb_init(fhci);  in fhci_start()
341 		fhci_err(fhci, "low level driver initialize failed\n");  in fhci_start()
345 	spin_lock_init(&fhci->lock);  in fhci_start()
348 	fhci->vroot_hub->dev_num = 1;	/* this field may be needed to fix */  in fhci_start()
349 	fhci->vroot_hub->hub.wHubStatus = 0;  in fhci_start()
350 	fhci->vroot_hub->hub.wHubChange = 0;  in fhci_start()
351 	fhci->vroot_hub->port.wPortStatus = 0;  in fhci_start()
352 	fhci->vroot_hub->port.wPortChange = 0;  in fhci_start()
365 	fhci_usb_enable(fhci);  in fhci_start()
368 	fhci_mem_free(fhci);  in fhci_start()
374 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_stop()  local
376 	fhci_usb_disable_interrupt(fhci->usb_lld);  in fhci_stop()
377 	fhci_usb_disable(fhci);  in fhci_stop()
379 	fhci_usb_free(fhci->usb_lld);  in fhci_stop()
380 	fhci->usb_lld = NULL;  in fhci_stop()
381 	fhci_mem_free(fhci);  in fhci_stop()
387 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_urb_enqueue()  local
439 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_urb_enqueue()
453 	fhci_queue_urb(fhci, urb);  in fhci_urb_enqueue()
459 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_urb_enqueue()
466 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_urb_dequeue()  local
467 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_urb_dequeue()
474 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_urb_dequeue()
497 		fhci_urb_complete_free(fhci, urb);  in fhci_urb_dequeue()
501 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_urb_dequeue()
509 	struct fhci_hcd *fhci;  in fhci_endpoint_disable()  local
513 	fhci = hcd_to_fhci(hcd);  in fhci_endpoint_disable()
514 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_endpoint_disable()
519 			fhci_urb_complete_free(fhci, td->urb);  in fhci_endpoint_disable()
521 		fhci_recycle_empty_ed(fhci, ed);  in fhci_endpoint_disable()
524 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_endpoint_disable()
529 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_get_frame_number()  local
531 	return get_frame_num(fhci);  in fhci_get_frame_number()
565 	struct fhci_hcd *fhci;  in of_fhci_probe()  local
589 	fhci = hcd_to_fhci(hcd);  in of_fhci_probe()
610 	fhci->regs = hcd->regs;  in of_fhci_probe()
629 	fhci->pram = cpm_muram_addr(pram_addr);  in of_fhci_probe()
634 			fhci->gpiods[i] = devm_gpiod_get_index(dev,  in of_fhci_probe()
638 			fhci->gpiods[i] = devm_gpiod_get_index_optional(dev,  in of_fhci_probe()
641 		if (IS_ERR(fhci->gpiods[i])) {  in of_fhci_probe()
643 				i, PTR_ERR(fhci->gpiods[i]));  in of_fhci_probe()
646 		if (!fhci->gpiods[i]) {  in of_fhci_probe()
654 		fhci->pins[j] = qe_pin_request(node, j);  in of_fhci_probe()
655 		if (IS_ERR(fhci->pins[j])) {  in of_fhci_probe()
656 			ret = PTR_ERR(fhci->pins[j]);  in of_fhci_probe()
663 	fhci->timer = gtm_get_timer16();  in of_fhci_probe()
664 	if (IS_ERR(fhci->timer)) {  in of_fhci_probe()
665 		ret = PTR_ERR(fhci->timer);  in of_fhci_probe()
670 	ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,  in of_fhci_probe()
688 		fhci->fullspeed_clk = qe_clock_source(sprop);  in of_fhci_probe()
689 		if (fhci->fullspeed_clk == QE_CLK_DUMMY) {  in of_fhci_probe()
698 		fhci->lowspeed_clk = qe_clock_source(sprop);  in of_fhci_probe()
699 		if (fhci->lowspeed_clk == QE_CLK_DUMMY) {  in of_fhci_probe()
706 	if (fhci->fullspeed_clk == QE_CLK_NONE &&  in of_fhci_probe()
707 			fhci->lowspeed_clk == QE_CLK_NONE) {  in of_fhci_probe()
715 	fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);  in of_fhci_probe()
718 	if (fhci->fullspeed_clk != QE_CLK_NONE) {  in of_fhci_probe()
719 		fhci_config_transceiver(fhci, FHCI_PORT_FULL);  in of_fhci_probe()
720 		qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);  in of_fhci_probe()
722 		fhci_config_transceiver(fhci, FHCI_PORT_LOW);  in of_fhci_probe()
723 		qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);  in of_fhci_probe()
727 	out_be16(&fhci->regs->usb_usber, 0xffff);  in of_fhci_probe()
728 	out_be16(&fhci->regs->usb_usbmr, 0);  in of_fhci_probe()
736 	fhci_dfs_create(fhci);  in of_fhci_probe()
744 	free_irq(fhci->timer->irq, hcd);  in of_fhci_probe()
746 	gtm_put_timer16(fhci->timer);  in of_fhci_probe()
750 		qe_pin_free(fhci->pins[j]);  in of_fhci_probe()
763 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_remove()  local
767 	free_irq(fhci->timer->irq, hcd);  in fhci_remove()
768 	gtm_put_timer16(fhci->timer);  in fhci_remove()
769 	cpm_muram_free(cpm_muram_offset(fhci->pram));  in fhci_remove()
771 		qe_pin_free(fhci->pins[j]);  in fhci_remove()
772 	fhci_dfs_destroy(fhci);  in fhci_remove()